concrete jungle

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++ˌconcrete ˈjungle noun [countable usually singular]  TOWNan unpleasant area in a city that is full of big ugly buildings and has no open spaces 水泥丛林，混凝土丛林〔指到处是丑陋的高楼，没有开阔空地的城区〕

ˌconcrete ˈjungle nounChineseSyllable  

concrete jungle
ˌconcrete ˈjungle noun [countable usually singular]
an unpleasant area in a city that is full of big ugly buildings and has no open spaces

concrete jungleBrE /ˌkɒŋkriːt ˈdʒʌŋɡl/ 🔊NAmE /ˌkɑːŋkriːt ˈdʒʌŋɡl/ 🔊 noun [usually singular] a way of describing a city or an area that is unpleasant because it has many large modern buildings and no trees or parks 混凝土丛林（指高楼林立、无树木无公园因而单调沉闷的现代化城市或地区）